Return an expanded version of the simulation results expanding the properties as possible, which
takes place for expanding statistics to show the count, average, deviation, minimum, maximum etc.
as separate values.

Return a pure signal as a result of combination of the predefined signals
with the specified result signal usually provided by the sources.

The signal returned is triggered when the source signal is triggered.
The pure signal is also triggered in the integration time points
if the source signal is unknown or it was combined with any unknown signal.